Cheap flights from St. Louis, United States to Washington, D.C., United States

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Tips to know when travelling to Washington, D.C.

Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between St. Louis and Washington, D.C. is 1118 km. The most popular airline for this route is United Airlines. St. Louis and Washington, D.C. have 49 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Weekly direct flights

Discover the top airlines offering direct flights from St. Louis to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 26.05 - Sat 01.06

AirlineSun 26.05Mon 27.05Tue 28.05Wed 29.05Thu 30.05Fri 31.05Sat 01.06
2122222

Weekly direct flights for Sun 02.06 - Sat 08.06

AirlineSun 02.06Mon 03.06Tue 04.06Wed 05.06Thu 06.06Fri 07.06Sat 08.06
1222122

Weekly direct flights for Sun 09.06 - Sat 15.06

AirlineSun 09.06Mon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06
2222222

Weekly direct flights for Sun 16.06 - Sat 22.06

AirlineSun 16.06Mon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06
2222222

Check-in for a flight from St. Louis to Washington, D.C.

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-1°C
February8°C0°C
March12°C3°C
April19°C8°C
May23°C13°C
June28°C18°C
July31°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C4°C
December8°C1°C
Hottest Month
31°C
July
Coldest month
-1°C
January
Sunny days
265
days per year
Snow days
8
days per year

14 day forecast

Tuesday
28 May
27°C18°C
4 Jun
86%
25°C18°C
Wednesday
29 May
87%
25°C14°C
5 Jun
29°C15°C
Thursday
30 May
88%
22°C13°C
6 Jun
86%
28°C18°C
Friday
31 May
23°C11°C
7 Jun
87%
26°C17°C
Saturday
1 Jun
26°C12°C
8 Jun
21°C14°C
Sunday
2 Jun
80%
22°C13°C
9 Jun
23°C12°C
Monday
3 Jun
88%
20°C17°C
10 Jun
28°C15°C

Frequently asked questions

How long does it take to travel from St. Louis to Washington, D.C.?
What is the flight distance between St. Louis and Washington, D.C.?
What airlines offer nonstop (direct) flights between St. Louis and Washington, D.C.?
What are the most popular routes to and from St. Louis?
What are the most popular routes to and from Washington, D.C.?
What airports are near St. Louis?
What airports are near Washington, D.C.?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Washington, D.C.?
What is Virtual Interlining and how do I use it?
Which airlines fly between St. Louis and Washington, D.C.?
When's the best time to travel between St. Louis and Washington, D.C.?
What flights operate between St. Louis and Washington, D.C.?
How many airports are there near St. Louis?
How many airports are there near Washington, D.C.?
What time do nonstop (direct) flights between St. Louis and Washington, D.C. depart?
What time do nonstop (direct) flights between St. Louis and Washington, D.C. arrive?
What time do flights between St. Louis and Washington, D.C. depart?
What time do flights between St. Louis and Washington, D.C. arrive?

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